Answer:
The correct statment would be: "the hormons of the endocrine system exert their action by lock and key mechanism."
Explanation:
The endoncrine system is responsable of the release of hormons under certain conditions, and in different organs, they go trough the bloodstream. The lock and key mechanism is explained as how the receptors block or release hormonos or instead they don´t. The endocrine system is responsable for the reproductive system, and regulates metabolic processes.
Answer:
#1 HE INDEPENDENTLY DISCOVERED THE AMERICAS
#2 HE DISCOVERED A VIABLE SAILING ROUTE TO THE AMERICAS
#3 HE LED THE FIRST EUROPEAN EXPEDITIONS TO THE CARIBBEAN, CENTRAL AMERICA AND SOUTH AMERICA
#4 HIS SETTLEMENT IN HISPANIOLA PROVIDED SPAIN STRATEGIC ADVANTAGE FOR EXPANSION IN THE NEW WORLD
#5 COLUMBUS MADE COLONIZATION POSSIBLE FOR SPAIN
#6 HE HAD A MAJOR IMPACT ON THE HISTORY OF MANKIND
#7 THROUGH DOMESTICATED ANIMALS, COLUMBIAN EXCHANGE EXPANDED THE FOOD SUPPLY IN THE AMERICAS
#8 COLUMBIAN EXCHANGE CAUSED A HUGE INCREASE IN POPULATION IN THE OLD WORLD
#9 HE SERVED AS GOVERNOR OF HISPANIOLA
#10 COLUMBUS IS REGARDED AS A MAJOR FIGURE IN SPANISH HISTORY
Explanation:
B..........................................................
Answer:
A. National Institute on Drug Abuse (NIDA)
Explanation: